>> stephanie, thank you so much. >>> lawmakers are turning the heat on the obama administration about what officials knew and when regarding the september 11th attack on the u.s. consulate in benghazi, libya, that killed four americans, including ambassador chris stevens. on sunday, lawmakers called on u.n. ambassador susan rice to testify before congress on her remarks after the attack. at issue are rice's talking points and why a final draft was changed to down play the role of terrorists, a fact supported by friday's closed door testimony of former cia director david petraeus. republicans portrayed rice as a pawn of the president's election year agenda. >> the story she told reinforced the political narrative helpful to the president. i don't know what she knew, but i know the story she told was misleading. >> we are going to find out who made changes in the original statement. until we do, i really think it's unwarranted to make accusations. >> the administration denies any claims of white house interference. >>> meanwhile, paula broadwell, the north carolina woman at the center o